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Determine the number of possible routes from

`A`

to

`B`

if you travel only south or east. Show your work by writing the number of paths on the vertices. ( 4 marks) . The results of a blood test at a medical laboratory are normally distributed with

`\mu =60`

and

`\sigma =15`

. a) What is the probability that a blood test chosen randomly from these data has a score greater than 90 ? Illustrate this on the normal curve below. ( 2 marks) b) What percent of these blood tests will have results below 70 ? Illustrate this on the standard normal curve below. (3 markel